Son kills his mother’s secret lover after seeing him having sex with his mother

By Mason White 11:56 AM January 30, 2015

Sean Mahan (left) and Stewart McKellar

By: Mahesh Sarin
A man was arrested, charged and convicted of culpable homicide after the beating death of his mother’s secret lover, prosecutors in Scotland said.

Now, 21-year-old Sean Mahan of Balloch, has been sentenced to serve 56 months in prison.

According to the police investigation, Mahan found 33-year-old Stewart McKellar and his mother Lavina Mahan, 50, together in bed while his father worked overseas.

Lavina Mahan and McKellar met at a bar, and she invited him to his home for drinks before going into bed. Sean Mahan became very angry and attacked McKellar at the family home.

Lavina Mahan fled from the scene.

Police officers who arrived at the scene, found broken furniture and glass as well as torn articles of male and female clothing on the floor.

Sean Mahan then called a friend and told him that he found a man sleeping with his mother before killing him. Sean Mahan pleaded guilty in the High Court of Glasgow, as part of a plea bargain agreement with prosecutors.